How do I display a substring of a variable in bash?
For example, you want to display the first seven characters from a string passed from the command line
echo ${$1:0:7}
Of course you can also save the value somewhere
substr=${$1:0:7}
How do I display a substring of a variable in bash?
For example, you want to display the first seven characters from a string passed from the command line
echo ${$1:0:7}
Of course you can also save the value somewhere
substr=${$1:0:7}